/**
 *
 *    geo-platform
 *    Rich webgis framework
 *    http://geo-platform.org
 *   ====================================================================
 *
 *   Copyright (C) 2008-2021 geoSDI Group (CNR IMAA - Potenza - ITALY).
 *
 *   This program is free software: you can redistribute it and/or modify it
 *   under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version. This program is distributed in the
 *   hope that it will be useful, but WITHOUT ANY WARRANTY; without
 *   even the implied warranty of MERCHANTABILITY or FITNESS FOR
 *   A PARTICULAR PURPOSE. See the GNU General Public License
 *   for more details. You should have received a copy of the GNU General
 *   Public License along with this program. If not, see http://www.gnu.org/licenses/
 *
 *   ====================================================================
 *
 *   Linking this library statically or dynamically with other modules is
 *   making a combined work based on this library. Thus, the terms and
 *   conditions of the GNU General Public License cover the whole combination.
 *
 *   As a special exception, the copyright holders of this library give you permission
 *   to link this library with independent modules to produce an executable, regardless
 *   of the license terms of these independent modules, and to copy and distribute
 *   the resulting executable under terms of your choice, provided that you also meet,
 *   for each linked independent module, the terms and conditions of the license of
 *   that module. An independent module is a module which is not derived from or
 *   based on this library. If you modify this library, you may extend this exception
 *   to your version of the library, but you are not obligated to do so. If you do not
 *   wish to do so, delete this exception statement from your version.
 */
package org.geosdi.geoplatform.gui.client.widget.users.member;

import com.extjs.gxt.ui.client.event.ButtonEvent;
import com.extjs.gxt.ui.client.event.Listener;
import com.extjs.gxt.ui.client.event.SelectionListener;
import com.extjs.gxt.ui.client.util.Padding;
import com.extjs.gxt.ui.client.widget.ContentPanel;
import com.extjs.gxt.ui.client.widget.LayoutContainer;
import com.extjs.gxt.ui.client.widget.button.Button;
import com.extjs.gxt.ui.client.widget.button.ToggleButton;
import com.extjs.gxt.ui.client.widget.layout.BoxLayout.BoxLayoutPack;
import com.extjs.gxt.ui.client.widget.layout.VBoxLayout;
import com.extjs.gxt.ui.client.widget.layout.VBoxLayout.VBoxLayoutAlign;
import com.google.gwt.user.client.ui.AbstractImagePrototype;
import org.geosdi.geoplatform.gui.client.BasicWidgetResources;
import org.geosdi.geoplatform.gui.client.i18n.buttons.ButtonsConstants;
import org.geosdi.geoplatform.gui.configuration.users.options.member.GeoPlatformOptionsMember;
import org.geosdi.geoplatform.gui.global.security.IGPUserManageDetail;

/**
 *
 * @author Vincenzo Monteverde <vincenzo.monteverde@geosdi.org>
 */
public abstract class UserOptionsMember implements GeoPlatformOptionsMember {

    protected IGPUserManageDetail user;
    protected Button saveButton;
    //
    private String name;
    private LayoutContainer container;
    private ContentPanel panelOption;
    private boolean initialized;

    public UserOptionsMember(String name) {
        this.name = name;
        this.createPanelOption();
        this.createSaveButton();
    }

    @Override
    public String getName() {
        return name;
    }

    private void createPanelOption() {
        VBoxLayout layout = new VBoxLayout();
        layout.setPadding(new Padding(5));
        layout.setVBoxLayoutAlign(VBoxLayoutAlign.LEFT);
        layout.setPack(BoxLayoutPack.START);

        panelOption = new ContentPanel(layout);
        panelOption.setHeaderVisible(false);
    }

    private void createSaveButton() {
        saveButton = new Button(ButtonsConstants.INSTANCE.saveText(), 
                AbstractImagePrototype.create(BasicWidgetResources.ICONS.done()),
                new SelectionListener<ButtonEvent>() {

            @Override
            public void componentSelected(ButtonEvent ce) {
                saveOptions();
            }
        });
        saveButton.disable();

        panelOption.addButton(saveButton);
    }

    @Override
    public final Listener<ButtonEvent> getListener() {
        return new Listener<ButtonEvent>() {
            @Override
            public void handleEvent(ButtonEvent ce) {
                if (!ce.<ToggleButton>getComponent().isPressed()) {
                    return;
                }
                switchPanel();
            }
        };
    }

    protected void switchPanel() {
        container.removeAll();
        buildMember();
        container.add(panelOption);
        container.layout();
    }

    // TODO use Registry.get(id)
    @Override
    public void setOwnUser(IGPUserManageDetail user) {
        this.user = user;
    }

    /**
     * Build Member when Toogle Button is Pressed
     *
     */
    protected void buildMember() {
        if (!initialized) {
            this.creteLayoutData(panelOption);
            this.manageUserData();
            this.initialized = true;
        }
    }

    @Override
    public void setLayoutContainer(LayoutContainer container) {
        this.container = container;
    }

    protected abstract void creteLayoutData(ContentPanel panel);

    protected abstract void manageUserData();
}
